Finding the Fourth Proportional to 383,983.34, 576,232.12 and 159,344.00
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Solution
The fourth proportional to 383,983.34, 576,232.12 and 159,344.00 is: 239,122.70
Step by Step Solution
- Step 1: Write the proportion equation
383,983.34 : 576,232.12 = 159,344.00 : x - Step 2: Convert to fraction form
383,983.34/576,232.12 = 159,344.00/x - Step 3: Cross multiply
383,983.34x = 576,232.12 × 159,344.00 - Step 4: Simplify right side
383,983.34x = 91,819,132,569.04 - Step 5: Solve for x
x = 91,819,132,569.04/383,983.34 - Step 6: Final answer
x = 239,122.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.